|
|
-
The third planet from the Sun.
-
Astronauts travel in orbit in the space ________.
-
Astronomy is the study of the _______.
-
The force that keeps us on Earth.
-
The planet closest to the Sun.
-
The brightest planet visible in the evening this fall.
-
The small moon of Jupiter that has active volcanos.
-
The planet closest to the Earth.
|